Tears chemistry

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Keywords: anatomy, aqueous, biology, care, cell, chemistry, composition, condition, conjunctiva, conjunctival, cornea, diagram, disease, dry, exocrine, eye, eyelids, eyes, film, gland, glands, goblet, health, healthcare, human, illustration, iris, lacrimal, layer, layers, lipid, medical, medicine, meibomian, mucous, ophthalmologist, ophthalmology, optic, orbit, organ, palpebral, pupil, science, sjögren, structure, syndrome, tarsal, tear, tears, vision